Nasal cannula mouth mask



FIG. 1 is a front view of a nasal cannula mouth mask embodying my new design.

FIG. 2 is a rear view thereof.

FIG. 3 is a right side view thereof.

FIG. 4 is a left side view thereof.

FIG. 5 is a bottom view thereof.

FIG. 6 is a top view thereof. 

The ornamental design for a nasal cannula mouth mask, as shown and described. 